Fluorescent Mineral Database

A new secret project! Trying to create a nice Fluorescent Mineral Database (FMDB), which would be searchable by mineral, locality, and luminescence properties. Also making it easy for people to contribute with their own specimens!

Aragonite in Clay from Spain

Contributed by: FMS Admin
Date: Mar 8th, 2026
Locality: Pantoja, Toledo, Castile-La Mancha, Spain (See on Mindat)
Size: 2 cm

Description:
A spray of aragonite embedded in clay. From Pantoja, Toledo, Castile-La Mancha, Spain. The spray is about 2 cm wide.

Source: Fluorescent Minerals Workgroup MKA : http://fluo.mineralogie.be/

Originally posted by Axel Emmermann on Nature's Rainbows.

Fluorescence under shortwave UV light.
Fluorescence under shortwave UV light.
Normal light.
Normal light.

Summary of luminescence responses:

Aragonite (Mindat) (RRUFF)

  • Fluorescence under Shortwave (255nm LED) UV light: White

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